BIO 201TOPIC 16 GRADED QUIZ – RESULTS TOPIC 16 FUNCTIONAL ORGANIZATION OF THE ENDOCRINE SYSTEM.

BIO 201TOPIC 16 GRADED QUIZ – RESULTS TOPIC 16 FUNCTIONAL ORGANIZATION OF
THE ENDOCRINE SYSTEM.



Hormonal secretion can be regulated by
Questio
n Select one:

1 the action of a substance other than a hormone.

Correct
the nervous system.

1.75 points other hormones.
out of 1.75
All of these choices are correct.

None of these choices is correct.




The correct answer is: All of these choices are correct.




What type of chemical messenger will act locally on nearby cells?
Questio
n Select one:

2 paracrine

Correct
neurotransmitter

1.75 points autocrine
out of 1.75
endocrine




The correct answer is: paracrine

, 3
Correct

1.75 points

out of 1.75


In, a cell increases the number of hormone receptors and becomes more sensitive to the hormone.

Select one:
amplification

positive feedback

down-regulation

up-regulation




The correct answer is: up-regulation




Which of the following events occurs last?
Questio
n Select one:

4 IP3 (inositol triphosphate) is produced.
Epinephrine combines with membrane-bound receptor on smooth muscle cell.
Calmodulin binds to the enzyme that phosphorylates myosin and cross- bridges form.
Correct
IP3 stimulates Ca2+ release from the endoplasmic reticulum.
1.75 points Ca2+ binds with calmodulin.
out of 1.75




The correct answer is: Calmodulin binds to the enzyme that phosphorylates myosin and